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Analysis and Development of Experimental Method of Charle`s Law Applicable to School
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 Title & Authors
Analysis and Development of Experimental Method of Charle`s Law Applicable to School
Min, Jung-Sook; Kim, Sung-Hee; Jeong, Dae-Hong;
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 Abstract
In this study, we developed an experimental method of the Charles` law applicable to school. Science textbooks and literatures on this principle were analyzed to extract factors utilized in organizing the experimental setup and method. A combined structure such as with a vial and a glass tube, the former of which is for deciding the total volume and the latter of which is for easy measurement of volume, was better in measurement of volume with temperature rather than a simple structure such as syringe. Use of graduated cylinder as a water bath to control the temperature showed advantage in cooling time than using other bath of larger volume such as a beaker. A liquid drop was used as a plug in the glass tube. This plug has little resistance with the glass wall when the gas volume changes. Water as a liquid drop in the glass tube had a significant effect in volume change of gas due to evaporation, especially in the beginning of the measurement. Glycerol showing negligible effect in volume change was used. This method took about one hour and produced a good linear relationship between the temperature and volume of gas with
 Keywords
Charles` Law;gas;volume and temperature;quantitative experiment;applicability to school;
 Language
Korean
 Cited by
1.
교과서의 화학 실험 분석을 통해 본 실험과 도구의 의미 재고,최취임;이선경;

대한화학회지, 2016. vol.60. 4, pp.267-275 crossref(new window)
1.
Reconsidering the Meanings of Experiments and Instruments Based on the Analysis of Chemistry Experiments in Textbooks, Journal of the Korean Chemical Society, 2016, 60, 4, 267  crossref(new windwow)
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